Adjustable lounge seat



FIG. 1 is a front elevational view of an adjustable lounge seat embodying my new design (the rear elevational view being substantially the same);

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view of the seat in a reclining position; and

FIG. 7 is a front and right side perspective view thereof. 

The ornamental design for an adjustable lounge seat, as shown and described. 